Search  for anything...

Contixo 144 pcs Bristle Shape 3D STEM Building Toys, Construction Learning Stacking Educational Block, Creativity Beyond Imagination, Inspirational, Safe & Durable, Recreational Toy for Kids Ages 3-8

  • Based on 119 reviews
Condition: New
Checking for the best price...
$26.99 Why this price?
Save $3.00 was $29.99

Buy Now, Pay Later


As low as $6 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by AAA Mart

Arrives Wednesday, Apr 1
Order within 4 hours and 11 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Style: STEM-144pcs


Features

  • 144-Piece Bristle Building Set - Offers endless possibilities for creative construction, compatible with other sets to expand model options. Ideal for hands-on STEM and STEAM learning for kids ages 3-8.
  • Safe & Kid-Friendly Materials - Crafted with toxin-free, soft-edge bristle tiles to ensure safe play for all ages. Adult supervision recommended for children under 3 to prevent choking hazards.
  • Easy Connection & Seamless Building - Frustration-free connectivity allows kids to build intricate designs, boosting fine motor skills, color recognition, and focus.
  • Educational & Engaging Play - Enhances hand-eye coordination, counting, sorting, and early interest in STEM concepts through fun, interactive building activities.
  • Safe, Non-Toxic & Long-Lasting: Crafted from lead-free, toxin-free materials with soft, rounded edges, these durable blocks provide safe play for toddlers and young kids. Perfect for home or classroom use.

Features

  • HIGH QUALITY ADVANCED SET OF 144 PCS TOTAL: Package includes 144 Bristle Tiles, no pure plastic piece. Refill your existing tiles or even building other brand to expand model opinions. More pieces, more possibilities.
  • SAFE PLAY STEM TOYS: Well made with toxin-free materials and soft-edge design. The Contixo ST5 Bristle 3D Tiles are safe for kids to play with and suitable for multiple age groups of different learning needs. Kids under 3 years need to be supervised to avoid choking hazards and parents need to be more involved in helping the toddlers to build any shapes and structures.
  • FRUSTRATION FREE BUILDING: ST5 Educational Blocks offer easy connectivity and simple to disconnect to maximize the fun and build more creative designs. It enables children to improve on their hand to eye coordination, gain a strong sense of color, counting, sorting, attention to detail and focus by using kids hands to foster science, technology and math skills.
  • MAKE LEARNING TRULY FUN: Attractive transparent rainbow Bristle Shape 3D Tiles set is designed as educational toys to help build kid's sense of creativity and get better understanding of color, geometrical shapes and develop motor skills and creative thinking. Great for special reasoning, architecture, STEM and STEAM.
  • PERFECT BOREDOM BUSTERS & MEMORY MAKERS: Keep these BRISTLE SHAPE 3D tiles in your special boredom buster cabinet. Every time your toddler say I'm bored, take them out and then he/she will pick an STEM activity to do for hours. We highly recommend parent-to-kid bonding play on weekends. Best gift for holidays for your loved ones.

Product Dimensions: 13.8 x 9.4 x 3.9 inches


Item Weight: 0.634 ounces


Item model number: ST5


Manufacturer recommended age: 36 months - 12 years


Manufacturer: Contixo


Product Dimensions: 13.8 x 9.4 x 3.9 inches


Item Weight: 0.634 ounces


Item model number: ST5


Manufacturer recommended age: 36 months - 12 years


Manufacturer: Contixo


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Apr 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Hours of creative fun and learning!
Style: STEM-244pcs
The Contixo 244 pcs Bristle Shape 3D STEM Building Toys have been a huge hit with my kids! These blocks are safe, durable, and easy to use, allowing kids to stack, build, and create 3D shapes with ease. My kids, ages 2, 3 and 5, spent hours today experimenting and building, and it’s amazing to see their creativity and problem-solving skills grow. The pieces fit together well, and the bright colors make it visually appealing, keeping them engaged throughout playtime. I love that it’s both educational and fun, making it perfect for STEM learning at home. Highly recommend for any parent looking for a toy that encourages creativity, imagination, and constructive play! ... show more
Reviewed in the United States on December 26, 2025 by Barbara Lawson

  • High quality
Style: STEM-144pcs
Gift for 4 year old. Loves it. Great quality.
Reviewed in the United States on January 24, 2026 by Alexandra Scola

  • Good deal
Style: STEM-144pcs
My 3 yr old and 5 yr old grandchildren love these and play with them all the time. Well worth the money for our family
Reviewed in the United States on January 9, 2026 by BB

  • These are great for the imagination
Style: STEM-144pcs
Bought these for my grandson and he loves them; His dad had them when he was a boy, they have come a long way by adding the wheels and eyes to the blocks so much more fun.
Reviewed in the United States on January 3, 2026 by Rose

  • Muy práctico para niños
Style: STEM-144pcs
Me encanto para mi nieto
Reviewed in the United States on February 4, 2026 by Yoly

  • Kids love
Style: STEM-144pcs
Keeps 3 and 5 year old entertained. Only negative is some of the small bristle ends have already broken off after a few uses
Reviewed in the United States on January 11, 2026 by Amazon Customer

  • Would purchase again
Style: STEM-144pcs
Fun and long entertainment. Easy to grasp and well made. The kids liked you could do different creations.
Reviewed in the United States on October 17, 2025 by BD

  • Great gift
Style: STEM-144pcs
Im sure the child.loved the toy. I donated it to Toys for Tots
Reviewed in the United States on December 29, 2025 by Timothy Quinn

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...